Question

Find the average of the lesson number 4 by 5 2 by 3 and 5 by 6

Answer 1

$\frac{ \frac{4}{5} + \frac{2}{3} + \frac{5}{6} } {3} \\ = \frac{ \frac{24 + 20 + 25}{30} }{3} \\ = \frac{ \frac{69}{30} }{3} \\ = \frac{69}{30} \times \frac{1}{3} \\ = \frac{23}{30}$